149720120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{1499}}^1$

素因数の和:1748

約数の個数: 64

約数和(自身を含む): 369360000

約数和(自身を除く): 219639880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 227, 440, 454, 908, 1135, 1499, 1816, 2270, 2497, 2998, 4540, 4994, 5996, 7495, 9080, 9988, 11992, 12485, 14990, 16489, 19976, 24970, 29980, 32978, 49940, 59960, 65956, 82445, 99880, 131912, 164890, 329780, 340273, 659560, 680546, 1361092, 1701365, 2722184, 3402730, 3743003, 6805460, 7486006, 13610920, 14972012, 18715015, 29944024, 37430030, 74860060, 149720120]

約数ペア:

[(1, 149720120), (2, 74860060), (4, 37430030), (5, 29944024), (8, 18715015), (10, 14972012), (11, 13610920), (20, 7486006), (22, 6805460), (40, 3743003), (44, 3402730), (55, 2722184), (88, 1701365), (110, 1361092), (220, 680546), (227, 659560), (440, 340273), (454, 329780), (908, 164890), (1135, 131912), (1499, 99880), (1816, 82445), (2270, 65956), (2497, 59960), (2998, 49940), (4540, 32978), (4994, 29980), (5996, 24970), (7495, 19976), (9080, 16489), (9988, 14990), (11992, 12485)]